Flashes of light at night when looking at a dark place from a bright place may be normal, or it may be caused by vitreous clouding, etc. When the condition occurs for a long period of time, consult a doctor for diagnosis as soon as possible.
1. Normal: when a long time from a bright place suddenly look at the darker environment, the eyes need to adapt to the process, this time the light suddenly change, the retina will be stimulated, which will occur, after a period of time can be relieved.
2. Vitreous clouding: may be older, the organization of the eye will slowly degenerate, resulting in slow metabolism of the eye lens, which will appear cloudy, when the eye suddenly change orientation, so that the eye will be stimulated, and the retina will react, which will appear the case, and accompanied by visual acuity, blurring and other symptoms, can be treated by vitreous laser ablation.
It is recommended to pay attention to eye hygiene, do not rub the eye with great force, pay more attention to rest, do not stay up late, and develop good sleeping habits.